How to Programmatically check and open an existing app in iOS 8?

Question

I want to check whether an app is present in my iphone or not. If it is present I want to launch it else open the App Store link of the app.

Please suggest the required

Answer 1

try this code

swift 2.2

 @IBAction func openInstaApp(sender: AnyObject) {
    var instagramHooks = "instagram://user?username=your_username"
    var instagramUrl = NSURL(string: instagramHooks)
    if UIApplication.sharedApplication().canOpenURL(instagramUrl!)
    {
        UIApplication.sharedApplication().openURL(instagramUrl!)

    } else {
        //redirect to safari because the user doesn't have Instagram
        println("App not installed")
        UIApplication.sharedApplication().openURL(NSURL(string: "https://itunes.apple.com/in/app/instagram/id389801252?m")!)

    }

}

swift 3

 @IBAction func openInstaApp(sender: AnyObject) {
    let instagramHooks = "instagram://user?username=your_username"
    let instagramUrl = URL(string: instagramHooks)
    if UIApplication.shared.canOpenURL(instagramUrl! as URL)
    {
        UIApplication.shared.open(instagramUrl!)

    } else {
        //redirect to safari because the user doesn't have Instagram
        print("App not installed")
        UIApplication.shared.open(URL(string: "https://itunes.apple.com/in/app/instagram/id389801252?m")!)
    }

}